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116 Commits

Author SHA1 Message Date
Andrew Kelley
52b24d5725 stage1: add some code comments for ConstValSpecial 2020-11-29 18:02:13 -07:00
LemonBoy
df99cfdf1e stage1: Fix typeInfo generation for arrays w/o sentinel 
ZigTypeIdOptional types have a different way of specifying their payload
value depending on whether the child type is a pointer or not (plus some
other special cases).

Fixes #7251
 2020-11-29 10:39:10 -08:00
LemonBoy
c80d196094 stage1: Add missing bitcast when rendering var ptr 
Some types require this extra bitcast, eg. structs or unions with extra
padding fields inserted by the compiler.

Fixes #7250
 2020-11-29 10:37:06 -08:00
Andrew Kelley
e701ac1a51
Merge pull request #7237 from koachan/sparc64-longdouble_fork 
Add "long double" mapping and implement fork() on Linux/sparc64
 2020-11-29 10:33:43 -08:00
LemonBoy
f91df39ad2 stage1: Fix crash in *[N]T to []T conversion with zst 
Prevent the crash by not making the codegen try to access the
non-existing ptr field in the slice.

Closes #6951
 2020-11-27 14:33:26 -08:00
Koakuma
cf2ee4ae2c Add sparc64 long double mapping 2020-11-27 18:51:50 +07:00
LemonBoy
21c488ce68 stage1: Force union member types to be resolved 
No test case because I couldn't reduce the huuuge test case.
Fixes the problem discovered by @ifreund.
 2020-11-26 10:49:47 -08:00
LemonBoy
58c2bec589 stage1: Fix ICE when generating struct fields with padding 
Make gen_const_ptr_struct_recursive aware of the possible presence of
some trailing padding by always bitcasting the pointer to its expected
type.

Not an elegant solution but makes LLVM happy and is consistent with how
the other callsites are handling this case.

Fixes #5398
 2020-11-25 15:36:33 -08:00
Andrew Kelley
abc717f203 modernize the PIE patch for the latest master branch 
This is the part of #3960 that has to be rewritten to apply to latest
master branch code.
 2020-11-22 17:28:11 -07:00
Andrew Kelley
7dcda5b0e8
Merge pull request #7182 from LemonBoy/externnnn 
Initial implementation of @extern builtin
 2020-11-21 09:41:49 -08:00
LemonBoy
ccdaf946b9 Rename back to extern, extend a stage1 parser hack 
Make it recognize extern/export symbols prefixed by @ as a builtin
rather than stand-alone keywords.
 2020-11-21 09:48:21 +01:00
LemonBoy
6029114f84 stage1: Resolve usingnamespace decls when calling @typeInfo 
Closes #7176
 2020-11-20 17:01:23 -08:00
LemonBoy
9b7d9c72b0 stage1: Initial implementation of @extern 2020-11-20 22:32:43 +01:00
Veikka Tuominen
cf819b95fe
Merge pull request #6829 from tadeokondrak/error-unsupported-callconv 
stage1: Compile error instead of falling back to C for unsupported cc
 2020-11-19 19:03:08 +02:00
Tadeo Kondrak
25ec2dbc1e Add builtin.Signedness, use it instead of is_signed 2020-11-19 18:59:21 +02:00
Vexu
3a28b659bd
add compile-error tests for unsupported calling convention 2020-11-19 14:25:46 +02:00
Tadeo Kondrak
51b362c350
stage1: Check calling convention correctly for subsystem detection 2020-11-19 14:18:35 +02:00
Tadeo Kondrak
6b9dc82fa5
stage1: Compile error instead of falling back to C for unsupported cc 2020-11-19 13:59:11 +02:00
LemonBoy
2b7781d82a stage1: Fix undefined assignment for bitfields 
Prevents silent memory corruption.

Closes #7055
 2020-11-18 21:49:39 -08:00
Andrew Kelley
02a4e5a4bf
Merge pull request #6385 from LemonBoy/callocator 
std: Make C allocator respect the required alignment
 2020-11-18 20:16:57 -08:00
pfg
cf7de64f1a stage1: improve error for missing a number type on a runtime var 2020-11-18 21:45:51 +02:00
frmdstryr
a39d3155b4 Change error when runtime value passed to comptime arg 2020-11-18 13:33:45 +02:00
LemonBoy
129ccad434 stage1: Reject undefined values when taking union ptr 
The code rightfully assumes the union_val object to be fully initialized.

Closes #7019
 2020-11-18 13:21:36 +02:00
Timon Kruiper
66d6930b5c Allow Zig to be built with clang 11 and -Werror 
This was brought to the horizon when using zig-bootstrap to cross compile
Zig for windows-gnu.
 2020-11-18 13:09:44 +02:00
LemonBoy
bef140c0a2 stage1: Add architecture-specific clobbers to asm() 
We're basically following Clang's lead, add the necessary clobbers to
minimize the risk of generating wrong code.
 2020-11-18 13:08:04 +02:00
LemonBoy
fa27420b72 stage1: Fix asyncCall with non-abi-aligned arguments 
Make the code used to calculate the variable slot index into the frame
match what's done during the structure layout calculation.

Prevents a few nasty LLVM errors when such types are passed around.
 2020-11-17 15:55:12 -08:00
Andrew Kelley
d9c36cb250
Merge pull request #6878 from frmdstryr/multiline-string-comments 
Support comments in multiline string literals
 2020-11-16 14:05:15 -08:00
Alexandros Naskos
6e2e747b0b
Merge pull request #7112 from LemonBoy/fix-7104 
stage1: Fix generation of pass-by-value args in async fns
 2020-11-16 09:12:42 +02:00
LemonBoy
7ebbc717c0 stage1: Fix generation of pass-by-value args in async fns 
The mismatch between the argument slot type in the frame structure and
the one used in the store operation made the generated code write
garbage over the nearby fields.

Fixes #7104
 2020-11-14 15:30:06 +01:00
LemonBoy
211feea914 stage1: Disambiguate Wasm imports with same name 
Closes #7088
 2020-11-13 16:32:42 -05:00
LemonBoy
c4fd3fc270 stage1: Resolve ErrorUnion children types 
Since the code is accessing the abi_size field compute the full type
size for both err_set_type and payload_type, not only for the latter.
 2020-11-13 14:28:40 -07:00
LemonBoy
b52a28a802 stage1: Ask LLVM to produce compact code in ReleaseSize mode 
Let's follow what Clang does for -Oz and apply the `minsize` and
`optsize` attributes by default.

Closes #7048
Supersedes #7077
 2020-11-13 12:25:13 -05:00
Vexu
08270d72b4 ensure TypeInfo payload is not undefined 2020-11-11 16:04:46 +02:00
LemonBoy
5872ae5111 stage1: Fix crash in comptime struct generation 
Using the gen_index rather than the src_index is needed to handle
structures containing zero-sized or comptime only types.

Closes #7027
 2020-11-11 15:35:19 +02:00
LemonBoy
f0b1b74d21 stage1: Avoid resolving type entry in [0]T 
The logic was already there but this rule was only applied in some
places, apply it in the remaining code paths.

Closes #7058
 2020-11-11 13:53:24 +02:00
LemonBoy
4d4ab1e69a stage1: Fix comparison of unions containing zero-sized types 
The code tried to be too smart and skipped the equality (returning true)
if the payload type was zero-sized.
This optimization is completely wrong when the union payload is a
metatype!

Fixes #7047
 2020-11-10 17:21:49 -05:00
LemonBoy
e00356d6b1 stage1: Print correct error message for vector @intCast 2020-11-09 18:24:48 -05:00
LemonBoy
78840c4ab2 stage1: Make sure union(enum(T)) is valid 
The T type should be wide enough to fit values in the  0...num field
range.

Closes #6988
 2020-11-05 17:24:04 -05:00
LemonBoy
4664eae1e4 stage1: Fix type mapping for c_longdouble 
A quick and dirty job to let the compiler use the correct size and
alignment.
 2020-11-05 16:10:15 +01:00
Jakub Konka
5060497174
Merge pull request #6921 from xackus/gimmeMoreOfThoseSweetSweetFileDescriptors 
stage2: ask for more file descriptors
 2020-11-03 10:07:39 +01:00
LemonBoy
be26c3bf4e stage1: Fix *WithOverflow intrinsics with u0 values 
Closes #5369
 2020-11-02 13:40:00 -05:00
Andrew Kelley
909aae8153
Merge pull request #6792 from koachan/sparc64-linux 
Initial sparc64-linux bringup
 2020-11-01 22:14:56 -05:00
xackus
7703f4c60a stage2: ask for more file descriptors 2020-11-01 23:32:25 +01:00
LemonBoy
0d6a7088dc stage1: Implement Add/Mul reduction operators 2020-11-01 14:30:31 -07:00
LemonBoy
2957433b25 stage1: Fix comptime comparison of NaNs 2020-11-01 14:30:31 -07:00
Travis
bb6e39e274 remove extra space in .** error message 2020-10-30 21:26:05 +02:00
frmdstryr
1d22591299 Add tests and fix \n between comments 2020-10-30 11:20:16 -04:00
frmdstryr
5dd36ee6ce Add support for comments in multiline string literal 2020-10-30 10:52:30 -04:00
Veikka Tuominen
80dd432137
Merge pull request #6858 from travv0/no-star-after-dot-star 
don't allow a token starting with an asterisk directly following .*
 2020-10-30 16:08:04 +02:00
LemonBoy
490cafe2c5 stage1: Error out when trying to execute unreachable 
Closes #6802
 2020-10-29 20:06:52 -04:00